# Low noise distributions (PICPerturbation)

**URL:** <https://forum.spis.org/t/low-noise-distributions-picperturbation/940>\
**Category:** SPIS\
**Created:** [3 December 2021 09:45 UTC](https://forum.spis.org/t/low-noise-distributions-picperturbation/940 "2021-12-03T09:45:58Z")\
**Posts on this page:** 1\
**Showing post:** 4

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**Author:** ![jportoh](https://forum.spis.org/letter_avatar_proxy/v4/letter/j/b9bd4f/32.png) [@jportoh](https://forum.spis.org/u/jportoh)\
**Post date:** [31 March 2022 09:37 UTC](https://forum.spis.org/t/low-noise-distributions-picperturbation/940/4 "2022-03-31T09:37:16Z")

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Hi there !

Well I think I have made some progress. I managed to perform some simulations successfully using the next set of parameters (some of them need to be added using the “Add global parameter” button):

1. The electrons treated using GlobalMaxwellBoltzmannVolDistrib while the ions using pic\_df (i.e. PICPerturbationToAnalyticalVolDistrib). The same parameters could also be used for the electrons using “elec1” instead of “ions1”

2. The electrons treated using GlobalMaxwellBoltzmannVolDistrib while the ions using “DriftingMBVolDistrib” by simple specifying that distribution for the “ionDistrib”

3. You can also run full\_pic\_df simulations using the parameters described in (1) with “elec1” and “ions1”

Let me know if it works for you !

Cheers.

Jean

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